#ifndef CRQTUTIL_H
#define CRQTUTIL_H

#include <QString>
#include <QSharedPointer>
#include "crengine.h"

lString16 qt2cr( QString str );
QString cr2qt( lString16 str );

class Props;
typedef QSharedPointer<Props> PropsRef;

/// proxy class for CoolReader properties
class Props
{

public:
	static PropsRef create();
	static PropsRef clone( PropsRef v );
	virtual int count() = 0;
	virtual const char * name( int index ) = 0;
	virtual QString value( int index ) = 0;
	virtual bool getString( const char * prop, QString & result ) = 0;
	virtual QString getStringDef( const char * prop, const char * defValue ) = 0;
	virtual void setString( const char * prop, const QString & value ) = 0;
	virtual void setInt( const char * prop, int value ) = 0;
	virtual bool getInt( const char * prop, int & result ) = 0;
	virtual int  getIntDef( const char * prop, int defValue ) = 0;
	virtual void setHex( const char * propName, int value ) = 0;
	virtual bool hasProperty( const char * propName ) const = 0;
	virtual const CRPropRef & accessor() = 0;
	virtual ~Props() { }
	// fau+
	virtual double getDoubleDef(const char * prop, const char * defValue) = 0;
	virtual void setDouble(const char * prop, const double value) = 0;
};

/// returns common items from props1 not containing in props2
PropsRef operator - ( PropsRef props1, PropsRef props2 );
/// returns common items containing in props1 or props2
PropsRef operator | ( PropsRef props1, PropsRef props2 );
/// returns common items of props1 and props2
PropsRef operator & ( PropsRef props1, PropsRef props2 );
/// returns added or changed items of props2 compared to props1
PropsRef operator ^ ( PropsRef props1, PropsRef props2 );

/// adapter from coolreader property collection to qt
PropsRef cr2qt( CRPropRef & ref );
/// adapter from qt property collection to coolreader
const CRPropRef & qt2cr( PropsRef & ref );

void cr2qt( QStringList & dst, const lString16Collection & src );
void qt2cr( lString16Collection & dst, const QStringList & src );

/// format p as percent*100 - e.g. 1234->"12.34%"
QString crpercent( int p );
// fau+
QString crFileSize(int size);

void crGetFontFaceList( QStringList & dst );

class QWidget;
/// save window position to properties
//void saveWindowPosition( QWidget * window, CRPropRef props, const char * prefix );
/// restore window position from properties
//void restoreWindowPosition( QWidget * window, CRPropRef props, const char * prefix, bool allowFullscreen = false );

#endif // CRQTUTIL_H
